<template>
  <view class="u-wrap">
    <view class="u-menu-wrap">
      <scroll-view
        scroll-y
        scroll-with-animation
        class="u-tab-view menu-scroll-view"
        :scroll-top="scrollTop"
      >
        <view
          v-for="(item, index) in tabbar"
          :key="index"
          class="u-tab-item"
          :class="[current == index ? 'u-tab-item-active' : '']"
          :data-current="index"
          @tap.stop="swichMenu(index, item)"
        >
          <text class="u-line-1">{{ item.date }}</text>
        </view>
      </scroll-view>
      <block v-for="(item, index) in tabbar" :key="index">
        <scroll-view scroll-y class="right-box" v-if="current == index">
          <view class="page-view">
            <view class="class-item">
              <view class="item-container">
                <u-grid :col="2" hover-class="none" :border="false">
                  <u-grid-item
                    @tap="checkItem(item1, index1)"
                    v-for="(item1, index1) in dateArray"
                    :key="index1"
                    :custom-style="item1.select ? activeStyle : commonStyle"
                  >
                    <view class="thumb-box">
                      <view class="item-menu-name">{{ item1.timeSlot }}</view>
                      <view class="">(余{{ item1.remainder }})</view>
                    </view>
                  </u-grid-item>
                </u-grid>
              </view>
            </view>
            <!-- 	<view class="class-item">
							<view class="item-title">
								<text>{{item.name}}</text>
							</view>
							<view class="item-container">
								<view class="thumb-box" v-for="(item1, index1) in item.foods" :key="index1">
									<image class="item-menu-image" :src="item1.icon" mode=""></image>
									<view class="item-menu-name">{{item1.name}}</view>
								</view>
							</view>
						</view> -->
          </view>
        </scroll-view>
      </block>
    </view>
  </view>
</template>

<script>
import { API } from "@/config/myApi.js";
export default {
  props: {
    tabbar: {
      type: Array,
      default: () => [],
    },
    activeStyle: {
      type: Object,
      default: () => ({}),
    },
    dateArr: {
      type: Array,
      default: [],
    },
    commonStyle: {
      type: Object,
      default: () => ({}),
    },
    expertId: {
      type: String,
      default: "",
    },
    siteId: {
      type: String,
      default: "",
    },
  },
  watch: {
    dateArr(val){
      this.dateArray = val
    }
  },
  data() {
    return {
      // tabbar: [],
      scrollTop: 0, //tab标题的滚动条位置
      current: 0, // 预设当前项的值
      menuHeight: 0, // 左边菜单的高度
      menuItemHeight: 0, // 左边菜单item的高度
      dateArray:[]
    };
  },
  onLoad() {},
  computed: {},
  methods: {
    checkItem(item, index) {
      this.$emit("check", item, index);
    },
    // 选择星期几
    change(index) {
      this.week = this.tabbar[index].id;
      let data = {
        expertId: this.expertId,
        siteId: this.siteId,
        week: this.week,
      };
      API.getExpertTime(data).then((res) => {
        this.dateArray = res.result;
      });
    },
    getImg() {
      return Math.floor(Math.random() * 35);
    },
    // 点击左边的栏目切换
    async swichMenu(index, item) {
      // this.$emit("changeTime", index);
      this.change(index);
      // console.log(index);
      if (index == this.current) return;
      this.current = index;
      // 如果为0，意味着尚未初始化
      if (this.menuHeight == 0 || this.menuItemHeight == 0) {
        await this.getElRect("menu-scroll-view", "menuHeight");
        await this.getElRect("u-tab-item", "menuItemHeight");
      }
      // 将菜单菜单活动item垂直居中
      this.scrollTop =
        index * this.menuItemHeight +
        this.menuItemHeight / 2 -
        this.menuHeight / 2;
    },
    // 获取一个目标元素的高度
    getElRect(elClass, dataVal) {
      new Promise((resolve, reject) => {
        const query = uni.createSelectorQuery().in(this);
        query
          .select("." + elClass)
          .fields(
            {
              size: true,
            },
            (res) => {
              // 如果节点尚未生成，res值为null，循环调用执行
              if (!res) {
                setTimeout(() => {
                  this.getElRect(elClass);
                }, 10);
                return;
              }
              this[dataVal] = res.height;
            }
          )
          .exec();
      });
    },
  },
};
</script>

<style lang="scss" scoped>
.u-wrap {
  height: 546rpx;
  /* #ifdef H5 */
  height: calc(100vh - var(--window-top));
  /* #endif */
  display: flex;
  flex-direction: column;
}

.u-search-box {
  padding: 18rpx 30rpx;
}

.u-menu-wrap {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.u-search-inner {
  background-color: rgb(234, 234, 234);
  border-radius: 100rpx;
  display: flex;
  align-items: center;
  padding: 10rpx 16rpx;
}

.u-search-text {
  font-size: 26rpx;
  color: $u-tips-color;
  margin-left: 10rpx;
}

.u-tab-view {
  width: 260rpx;

  height: 678rpx;
}

.u-tab-item {
  height: 110rpx;
  background: #fff;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28rpx;
  color: #333;
  font-weight: 500;
  line-height: 1;
}

.u-tab-item-active {
  position: relative;
  // font-weight: 600;
  background: #f5f5f5;
}

.u-tab-view {
  height: 100%;
}

.right-box {
  background-color: rgb(250, 250, 250);
}
// 右侧区域
/deep/.uni-scroll-view-content {
  background-color: #fff;
}
.page-view {
  padding: 16rpx;
  background-color: #fff;
}

.class-item {
  margin-bottom: 30rpx;
  background-color: #fff;
  padding: 16rpx;
  border-radius: 8rpx;
}

.item-title {
  font-size: 26rpx;
  color: $u-main-color;
  font-weight: bold;
}

.item-menu-name {
  font-weight: normal;
  font-size: 24rpx;
}

.item-container {
  display: flex;
  flex-wrap: wrap;
}

.thumb-box {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.item-menu-image {
  width: 120rpx;
  height: 120rpx;
}
</style>
